The len(s) returns the length of the content (here of the string). The // operators is the division that returns integer. The s[:n] is the slice syntax for geting the substring with characters from index 0 to n (n excluded).

The reversed(s) takes any sequence (here the string of characters) and returns reversed iterator. The .join() joins the iterated sequence by its given string -- here the empty one.

Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able to start or join a call from any room with ease. Never be called into a meeting just to get it started again. This is how video conferencing should work!

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